Multinuclear magnetic resonance studies of the 2Fe.2S* ferredoxin from Anabaena species strain PCC 7120. 2. Sequence-specific carbon-13 and nitrogen-15 resonance assignments of the oxidized form.

Multinuclear magnetic resonance studies of the 2Fe.2S* ferredoxin from Anabaena species strain PCC 7120. 2. Sequence-specific carbon-13 and nitrogen-15 resonance assignments of the oxidized form.
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来自鱼腥藻菌株 PCC 7120 的 2Fe.2S* 铁氧还蛋白的多核磁共振研究。2.氧化形式的序列特异性碳 13 和氮 15 共振归属。

DOI:
10.1021/bi00468a030
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发表时间:
1990
期刊:
影响因子:
2.9
通讯作者:
Markley,JL
Markley,JL
中科院分区:
生物学3区
文献类型:
--
作者:
Oh,BH;Mooberry,ES;Markley,JL

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用多核二维核磁共振技术对鱼腥藻2Fe-2S*铁氧还蛋白的几乎所有抗磁13C和15N共振进行了归属。PCC7120菌株。自从13C自旋体系定向策略被用来确定自旋体系以来[哦,B.-H.,Westler,W.M.,&Markley,J.L.(1989)J.Am化学。SoC。3083-3085],序列特定的任务[哦,B.-H.和Markley,J.L.(1990)生物化学(本期三篇论文中的第一篇)]也提供了序列特定的13C任务。通过考虑这些核与顺磁2Fe*2S*中心之间的距离,对来自*H-13C基团的几个共振峰进行了独立于‘H赋值的指定。使用A13C-15N关联数据集指定额外的羰基碳,并分析13C-I3C关联光谱的重叠区。主链和侧链氮的序列特异性指定是基于从各种二维核磁共振实验获得的‘H-,5N和,3C-15N关联。
Multinuclear two-dimensional NMR techniques were used to assign nearly all diamagnetic 13C and 15N resonances of the plant-type 2Fe-2S* ferredoxin from Anabaena sp. strain PCC 7120. Since a 13C spin systemdirected strategy had been used to identify the spin systems [Oh, B.-H., Westler, W. M., & Markley, J. L.(1989) J. Am. Chem. Soc. Ill, 3083-3085], thesequence-specific assignments [Oh, B.-H., & Markley, J. L.(1990) Biochemistry (first paper of three in this issue)] also provided sequence-specific 13C assignments. Several resonances from* H-13C groups were assigned independently of the’H assignments by considering the distances between these nuclei and the paramagnetic 2Fe* 2S* center. A13c-15N correlation data set was used to assign additional carbonyl carbons and to analyze overlapping regions of the 13C-I3C correlation spectrum. Sequence-specificassignments of backbone and side-chain nitrogens were based on'H-, 5N and, 3C-15N correlations obtained from various two-dimensional NMR experiments.
DOI: --
发表时间: 1988
期刊:
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